“penetration funnel”的概念、定义、翻译、参考文献-科学参考

单词	penetration funnel
释义	penetration funnel [´pen·ǝ`trā·shǝn ´fǝn·ǝl] ^GEOLOGY An impact crater, generally funnel-shaped, formed by a small meteorite striking the earth at a relatively low velocity and containing nearly all the impacting mass within it.
随便看	high-altitude station high-alumina brick high-alumina cement high-angle fault high-angle fire high-angle gun high-angle strafing high band high boiler high boost high brass high-burst ranging high-capacity projectile high-carbon chromium high-carbon steel high clouds high contrast high core high-current rectifier high-current switch high definition high-definition television high-density disk high-density drive high-density polyethylene

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